# SAM #AMS00803446 

Building 141 300 kW Emergency Generator Replacement and Electrical Upgrades

**Buyer:** Naval Facilities Engineering Systems Command Mid-Atlantic
**Posted:** November 04, 2026
**Respond By:** December 15, 2026
**Identifier:** AMS00803446
**NAICS:** 236220, 238210, 238220

The Department of the Navy is seeking a turnkey replacement of the emergency generator and associated electrical systems serving Building 141 at Naval Submarine Base New London in Groton, Connecticut.
- **Government buyer:** Department of the Navy; NAVFAC Mid-Atlantic / NAVFACSYSCOM Mid-Atlantic; Public Works Department, Facilities Engineering & Acquisition Division; PWD FEAD and ROICC New London; Naval Submarine Base New London.
- **OEMs and vendors:** **Onan** is named only as the manufacturer of the existing L364 generator being removed. No OEM is specified for the new equipment, and no other commercial vendors are named.
- **Primary equipment:** One 300 kW emergency standby generator, one 2,050-gallon aboveground diesel tank, one 400A automatic transfer switch, one 600A emergency distribution panel, one 45 kVA transformer, and one temporary 30 kW trailer-mounted generator. Provide a generator docking station, emergency-powered receptacles, and associated feeders, ductbank, and concrete pad.
- **Removal and installation work:** Remove the existing Onan L364 generator and 300-gallon fuel tank; install and connect the replacement generator and upgraded electrical distribution equipment. Modify existing conduits and provide additional emergency-power outlets.
- **Notable requirements:** Maintain critical operations with temporary power and phased cutover while minimizing generator downtime. The replacement generator must meet EPA Tier III emissions certification and the installation's Title V permit requirements. Address assumed asbestos in the existing generator and lead paint on affected surfaces; manage regulated fuel-tank waste. Preserve historically significant building features and comply with applicable environmental, stormwater, excavation-permit, and SHPO coordination requirements.
- **Estimated value:** $500,000–$1,000,000.

### Description

<p><strong>**Only Contractors listed on the NEWPORT/NEW LONDON ML-C00073 MACC are allowed to Bid on this Proposal**</strong></p>

<p>The scope of this project includes the demolish and replacement of generator. Modify electrical distribution equipment, ancillary equipment and automatic transfer switch.</p>

[View original listing](https://sam.gov/opp/3528e82be7cc4925b99071cfbf3d32dd/view)